Book chapters or sections

• A. G. Dimakis and K. Ramchandran, "Network coding for distributed storage in wireless networks," in Networked Sensing Information and Control, V. Saligrama, Ed., New York, NY: Springer Science+Business Media, LLC, 2008, pp. 115-134.
• A. G. Dimakis and K. Ramchandran, "Networked coding for distributed storage in wireless networks," in Networked Sensing Information and Control, V. Saligrama, Ed., New York, NY: Springer Science+Business Media, LLC, 2008, pp. 115-134.
• C. Yeo, P. Ahammad, and K. Ramchandran, "A rate-efficient approach for establishing visual correspondences via distributed source coding (Invited Paper)," in Visual Communications and Image Processing 2008, W. A. Pearlman, J. W. Woods, and L. Lu, Eds., Proceedings Electronic Imaging Science and Techology, Vol. 6822, Bellingham, WA/Springfield, VA: SPIE/IS&T, 2008, pp. 68221R-1-9.
• C. Yeo and K. Ramchandran, "Robust distributed multi-view video compression for wireless camera networks (Best Student Paper Award)," in Visual Communications and Image Processing 2007, C. W. Chen, D. Schonfeld, and J. Luo, Eds., Proceedings of Electronic Imaging Science and Technology, Vol. 6508, Bellingham, WA/Springfield, VA: SPIE/IS&T, 2007, pp. 65080P-1-9.
• M. Johnson, D. Wagner, and K. Ramchandran, "On compressing encrypted data without the encryption key," in Theory of Cryptography: Proc. 1st Theory of Cryptograpy Conf. (TSS 2004), M. Naor, Ed., Lecture Notes in Computer Science, Vol. 2951, Berlin, Germany: Springer-Verlag, 2004, pp. 491-504.

Articles in journals or magazines

• N. B. Shah, S. Balakrishnan, J. Bradley, A. Parekh, K. Ramchandran, and M. Wainwright, "Estimation from Pairwise Comparisons: Sharp Minimax Bounds with Topology Dependence," AISTATS, San Diego, May 2015, 2015.
• V. N. Ekambaram, G. C. Fanti, B. Ayazifar, and K. Ramchandran, "Spline-Like Wavelet Filterbanks for Multiresolution Analysis of Graph-Structured Data," Signal and Information Processing Over Networks, IEEE Transactions on, vol. 1, no. 4, pp. 268-278, Dec. 2015.
• L. Tian, X. Li, K. Ramchandran, and L. Waller, "Multiplexed coded illumination for Fourier Ptychography with an LED array microscope," Biomed. Opt. Express, vol. 5, no. 7, pp. 2376--2389, 2014.
• V. Ekambaram and K. Ramchandran, "citeKey, {Distributed High Accuracy Peer-to-Peer Localization in Mobile Multipath Environments}," Arxiv preprint arXiv:1011.6075, Dec. 2010.
• H. Zhang, C. Yeo, and K. Ramchandran, "{VSYNC --- A Novel Video File Synchronization Protocol}," to appear in Proc. ACM International Conference on Multimedia (ACM MM), 2008.
• C. Yeo, P. Ahammad, K. Ramchandran, and S. S. Sastry, "High-speed action recognition and localization in compressed domain videos," IEEE Trans. Circuits and Systems for Video Technology, vol. 18, no. 8, pp. 1006-1015, Aug. 2008.
• V. M. Prabhakaran, R. Puri, and K. Ramchandran, "Colored Gaussian source-channel broadcast for heterogeneous (analog/digital) receivers," IEEE Trans. Information Theory, vol. 54, no. 4, pp. 1807-1814, April 2008.
• A. K. Fletcher, S. Rangan, V. K. Goyal, and K. Ramchandran, "Robust predictive quantization: Analysis and design via convex optimization," IEEE J. Selected Topics in Signal Processing, vol. 1, no. 4, pp. 618-632, Dec. 2007.
• S. S. Pradhan, S. Choi, and K. Ramchandran, "A graph-based framework for transmission of correlated sources over multiple-access channels," IEEE Trans. Information Theory, vol. 53, no. 12, pp. 4583-4604, Dec. 2007.
• R. Puri, A. Majumdar, and K. Ramchandran, "PRISM: A video coding paradigm with motion estimation at the decoder," IEEE Trans. Image Processing, vol. 16, no. 10, pp. 2436-2448, Oct. 2007.
• A. K. Fletcher, S. Rangan, V. K. Goyal, and K. Ramchandran, "Denoising by sparse approximation: Error bounds based on rate-distortion theory," EURASIP Journal on Applied Signal Processing, vol. 2006, no. 26318, pp. 19 pg, 2006.
• M. Tagliasacchi, A. Majumdar, K. Ramchandran, and S. Tubaro, "Robust wireless video multicast based on a distributed source coding approach," Signal Processing, vol. 86, no. 11, pp. 3196-3211, Nov. 2006.
• S. S. Pradhan and K. Ramchandran, "On functional duality in multiuser source and channel coding problems with one-sided collaboration," IEEE Trans. Information Theory, vol. 52, no. 7, pp. 2986-3002, July 2006.
• R. Puri, A. Majumdar, P. Ishwar, and K. Ramchandran, "Distributed video coding in wireless sensor networks," IEEE Signal Processing Magazine, vol. 23, no. 4, pp. 94-106, July 2006.
• A. G. Dimakis, V. Prabhakaran, and K. Ramchandran, "Decentralized erasure codes for distributed networked storage," IEEE Trans. Information Theory, vol. 52, no. 6, pp. 2809-2816, June 2006.
• D. Petrovic, K. Ramchandran, and J. M. Rabaey, "Overcoming untuned radios in wireless networks with network coding," IEEE Trans. Information Theory, vol. 52, no. 6, pp. 2649-2657, June 2006.
• M. Johnson, P. Ishwar, V. Prabhakaran, D. Schonberg, and K. Ramchandran, "On compressing encrypted data," IEEE Trans. Signal Processing, vol. 52, no. 10, Pt. 2, pp. 2992-3006, Oct. 2004.
• R. Jornsten, W. Wang, B. Yu, and K. Ramchandran, "Microarray image compression: SLOCO and the effect of information loss," Signal Processing: Special Issue on Genomic Signal Processing, vol. 83, no. 4, pp. 859-869, April 2003.
• S. S. Pradhan and K. Ramchandran, "Distributed source coding using syndromes (DISCUS): Design and construction," IEEE Trans. Information Theory, vol. 49, no. 3, pp. 626-643, March 2003.
• S. S. Pradhan, J. Kusuma, and K. Ramchandran, "Distributed compression in a dense microsensor network," IEEE Signal Processing Magazine, vol. 19, no. 2, pp. 51-60, March 2002.
• R. Puri, K. Lee, and K. Ramchandran, "An integrated source transcoding and congestion control paradigm for video streaming in the Internet," IEEE Trans. Multimedia, vol. 3, no. 1, pp. 18-32, March 2001.
• S. D. Servetto, K. Ramchandran, V. A. Vaishampayan, and K. Nahrstedt, "Multiple description wavelet based image coding," IEEE Trans. Image Processing, vol. 9, no. 5, pp. 813-826, May 2000.
• Z. Xiong, K. Ramchandran, M. T. Orchard, and Y. Zhang, "A comparative study of DCT- and wavelet-based image coding," IEEE Trans. Circuits and Systems for Video Technology, vol. 9, no. 5, pp. 692-695, Aug. 1999.
• Z. Xiong, K. Ramchandran, and M. T. Orchard, "Space-frequency quantization for wavelet image coding," IEEE Trans. Image Processing, vol. 6, no. 5, pp. 677-693, May 1997.
• K. Ramchandran and M. Vetterli, "Best wavelet packet bases in a rate-distortion sense," IEEE Trans. Image Processing, vol. 2, no. 2, pp. 160-175, April 1993.

Articles in conference proceedings

• X. Pan, D. Papailiopoulos, S. Omyak, B. Recht, K. Ramchandran, and M. Jordan, "Parallel correlation clustering on big graphs," in Advances in Neural Information Processing Systems 28, 2015, pp. 82--90.
• N. Shah, S. Balakrishnan, B. Joseph, A. Parekh, K. Ramchandran, and M. Wainwright, "Estimation from Pairwise Comparisons: Sharp Minimax Bounds with Topology Dependence," in AISTATS, San Diego, May 2015, 2015.
• N. B. Shah, J. K. Bradley, A. Parekh, M. Wainwright, and K. Ramchandran, "A case for ordinal peer-evaluation in MOOCs," in NIPS Workshop on Data Driven Education, 2013.
• V. N. Ekambaram, G. C. Fanti, B. Ayazifar, and K. Ramchandran, "Critically-sampled perfect-reconstruction spline-wavelet filterbanks for graph signals," in Global Conference on Signal and Information Processing (GlobalSIP), 2013 IEEE, 2013, pp. 475-478.
• V. N. Ekambaram, G. C. Fanti, B. Ayazifar, and K. Ramchandran, "Wavelet-regularized graph semi-supervised learning," in Global Conference on Signal and Information Processing (GlobalSIP), 2013 IEEE, 2013, pp. 423-426.
• V. N. Ekambaram, G. C. Fanti, B. Ayazifar, and K. Ramchandran, "Circulant structures and graph signal processing," in Image Processing (ICIP), 2013 20th IEEE International Conference on, 2013, pp. 834-838.
• K. Lee, L. Yan, A. Parekh, and K. Ramchandran, "A VoD System for Massively Scaled, Heterogeneous Environments: Design and Implementation," in 2013 IEEE 21st International Symposium on Modelling, Analysis and Simulation of Computer and Telecommunication Systems, 2013, pp. 1-10.
• V. N. Ekambaram, G. C. Fanti, B. Ayazifar, and K. Ramchandran, "Multiresolution Graph Signal Processing via Circulant Structures," in Digital Signal Processing and Signal Processing Education Meeting (DSP/SPE), 2013 IEEE, 2013, pp. 112-117.
• H. Zhang, M. Chen, A. Parekh, and K. Ramchandran, "A distributed multichannel demand-adaptive P2P VoD system with optimized caching and neighbor-selection," in SPIE Optical Engineering+ Applications, 2011, pp. 81350X--81350X.
• V. Ekambaram and K. Ramchandran, "Distributed high accuracy peer-to-peer localization in mobile multipath environments," in GLOBECOM 2010, 2010 IEEE Global Telecommunications Conference, 2010, pp. 1--5.
• O. Bakr, M. Johnson, R. Mudumbai, and K. Ramchandran, "Multi-antenna interference cancellation techniques for cognitive radio applications," in IEEE Wireless Communications and Networking Conference (WCNC), 2009.
• O. Bakr, M. Johnson, B. Wild, and K. Ramchandran, "A multi-antenna framework for spectrum reuse based on primary-secondary cooperation," in IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), 2008.
• O. Bakr, M. Johnson, B. Wild, and K. Ramchandran, "A multi-antenna framework for spectrum reuse based on primary-secondary cooperation," in IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), 2008.
• M. Johnson, M. Mitzenmacher, and K. Ramchandran, "Distributed beamforming with binary signaling," in Proc. 2008 IEEE Intl. Symp. on Information Theory (ISIT 2008), Piscataway, NJ: IEEE Press, 2008, pp. 890-894.
• V. M. Prabhakaran, K. Eswaran, and K. Ramchandran, "Secrecy via sources and channels -- A secret key-secret message rate tradeoff region," in Proc. 2008 IEEE Intl. Symp. on Information Theory (ISIT '08), Piscataway, NJ: IEEE Press, 2008, pp. 1010-1014.
• W. Wang, M. Wainwright, and K. Ramchandran, "Information-theoretic limits on sparse support recovery: Dense versus sparse measurements," in Proc. 2008 IEEE Intl. Symp. on Information Theory (ISIT 2008), Piscataway, NJ: IEEE Press, 2008, pp. 2197-2201.
• H. Qin, A. Kumar, K. Ramchandran, J. M. Rabaey, and P. Ishwar, "Error-tolerant SRAM design for ultra-low power standby operation," in Proc. 9th IEEE Intl. Symp. on Quality Electronic Design (ISQED 2008), Los Alamitos, CA: IEEE Computer Society, 2008, pp. 30-34.
• A. Kumar, H. Qin, P. Ishwar, J. M. Rabaey, and K. Ramchandran, "Fundamental data retention limits in SRAM standby -- Experimental results," in Proc. 9th Intl. Symp. on Quality Electronic Design (ISQED 2008), Los Alamitos, CA: IEEE Computer Society, 2008, pp. 92-97.
• A. G. Dimakis, J. Wang, and K. Ramchandran, "Unequal growth codes: Intermediate performance and unequal error protection for video streaming," in Proc. 9th IEEE Workshop on Multimedia Signal Processing (MMSP 2007), Piscataway, NJ: IEEE Press, 2007, pp. 107-110.
• P. Ahammad, C. Yeo, K. Ramchandran, and S. S. Sastry, "Unsupervised discovery of action hierarchies in large collections of activity videos," in Proc. 9th IEEE Workshop on Multimedia Signal Processing (MMSP 2007), Piscataway, NJ: IEEE Press, 2007, pp. 410-413.
• C. Yeo, J. Wang, and K. Ramchandran, "View synthesis for robust distributed video compression in wireless camera networks," in Proc. 2007 IEEE Intl. Conf. on Image Processing (ICIP '07), Vol. 3, Piscataway, NJ: IEEE Press, 2007, pp. 21-24.
• V. Prabhakaran and K. Ramchandran, "On secure distributed source coding," in Proc. 2007 IEEE Information Theory Workshop (ITW '07), Piscataway, NJ: IEEE Press, 2007, pp. 442-447.
• Y. Wu, A. Dimakis, and K. Ramchandran, "Deterministic regenerating codes for distributed storage (Invited Paper)," in Proc. 45th Annual Allerton Conf. on Communication, Control, and Computing, C. Hadjicostis and P. Moulin, Eds., Piscataway, NJ: IEEE Press, 2007, pp. 242-249.
• V. Prabhakaran and K. Ramchandran, "A separation result for secure communication (Invited Paper)," in Proc. 45th Annual Allerton Conf. on Communication, Control, and Computing, C. Hadjicostis and P. Moulin, Eds., Piscataway, NJ: IEEE Press, 2007, pp. 34-41.
• A. G. Dimakis, M. Wainwright, and K. Ramchandran, "Lower bounds on the rate-distortion function of LDGM codes," in Proc. 2007 IEEE Information Theory Workshop (ITW '07), Piscataway, NJ: IEEE Press, 2007, pp. 650-655.
• K. Eswaran, M. Gastpar, and K. Ramchandran, "Bits through ARQs: Spectrum sharing with a primary packet system," in Proc. 2007 IEEE Intl. Symp. on Information Theory (ISIT 2007), Piscataway, NJ: IEEE Press, 2007, pp. 2171-2175.
• V. Prabhakaran, D. Tse, and K. Ramchandran, "Channel coding with strictly causal colored side-information at transmitter," in Proc. 2007 IEEE Intl. Symposium on Information Theory (ISIT 2007), Piscataway, NJ: IEEE Press, 2007, pp. 371-375.
• A. Kumar, H. Qin, P. Ishwar, J. M. Rabaey, and K. Ramchandran, "Fundamental bounds on power reduction during data-retention in standby SRAM," in Proc. 2007 IEEE Intl. Symp. on Circuits and Systems (ISCAS 2007), Piscataway, NJ: IEEE Press, 2007, pp. 1867-1870.
• A. G. Dimakis, P. B. Godfrey, M. Wainwright, and K. Ramchandran, "Network coding for distributed storage systems," in Proc. 26th IEEE International Conference on Computer Communications (INFOCOM 2007), Piscataway, NJ: IEEE Press, 2007, pp. 2000-2008.
• A. Kumar, H. Qin, P. Ishwar, J. M. Rabaey, and K. Ramchandran, "Fundamental redundancy versus power trade-off in standby SRAM," in Proc. 2007 IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP '07), Vol. 2, Piscataway, NJ: IEEE Press, 2007, pp. 85-88.
• W. Wang, M. Garofalakis, and K. Ramchandran, "Distributed sparse random projections for refinable approximation," in Intl. Conf. Information Processing in Sensor Networks (IPSN), 2007, pp. 331-339.
• D. Schonberg, C. Yeo, S. C. Draper, and K. Ramchandran, "On compression of encrypted video," in Proc. 2007 Data Compression Conf. (DCC '07), J. A. Storer and M. W. Marcellin, Eds., Los Alamitos, CA: IEEE Computer Society, 2007, pp. 173-182.
• J. Wang, C. Yeo, V. Prabhakaran, and K. Ramchandran, "On the role of helpers in peer-to-peer file download systems: Design, analysis and simulation," in Proc. 6th Intl. Workshop on Peer-to-Peer Systems (IPTPS 2007), IPTPS Organziation, 2007, pp. 6 pg.
• C. Yeo, P. Ahammad, K. Ramchandran, and S. S. Sastry, "Compressed domain real-time action recognition," in Proc. 8th IEEE Workshop on Multimedia Signal Processing (MMSP 2006), Piscataway, NJ: IEEE Press, 2006, pp. 33-36.
• D. Schonberg, S. Draper, and K. Ramchandran, "On compression of encrypted images," in Proc. 2006 IEEE Intl. Conf. on Image Processing (ICIP '06), Piscataway, NJ: IEEE Press, 2006, pp. 269-272.
• J. Wang, V. Prabhakaran, and K. Ramchandran, "Syndrome-based robust video transmission over networks with bursty losses," in Proc. 2006 Intl. Conf. on Image Processing (ICIP 2006), Piscataway, NJ: IEEE Press, 2006, pp. 741-744.
• R. Mudumbai, B. Wild, U. Madhow, and K. Ramchandran, "Distributed beamforming using 1 bit feedback: From concept to realization (Invited Paper)," in Proc. 44th Annual Allerton Conf. on Communication, Control, and Computing, A. Singer and C. N. Hadjicostis, Eds., Urbana-Champaign, IL: University of Illinois, 2006, pp. 1020-1027.
• M. Johnson, L. De Nardis, and K. Ramchandran, "Collaborative content distribution for vehicular ad hoc networks (Invited Paper)," in Proc. 44th Annual Allerton Conf. on Communication, Control, and Computing, A. Singer and C. N. Hadjicostis, Eds., Urbana-Champaign, IL: University of Illinois, 2006, pp. 751-760.
• P. Ishwar, V. Prabhakaran, and K. Ramchandran, "On source encoding with side-information under ambiguous state of nature," in Proc. 2006 IEEE Intl. Symp. on Information Theory (ISIT 2006), Piscataway, NJ: IEEE Press, 2006, pp. 479-483.
• A. G. Dimakis, V. Prabhakaran, and K. Ramchandran, "Distributed fountain codes for networked storage," in Proc. 2006 IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP '06), Vol. 5, Piscataway, NJ: IEEE Press, 2006, pp. 1149-1152.
• W. Wang and K. Ramchandran, "Random multiresolution representations for arbitrary sensor network graphs," in Proc. 2006 IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP '06), Vol. 4, Piscataway, NJ: IEEE Press, 2006, pp. 161-164.
• W. Wang and K. Ramchandran, "Random distributed multiresolution representations with significance querying," in Proc. 5th Intl. Conf. on Information Processing in Sensor Networks (IPSN 2006), New York, NY: The Association for Computing Machinery, Inc., 2006, pp. 102-108.
• A. K. Fletcher, S. Rangan, V. K. Goyal, and K. Ramchandran, "Causal and strictly causal estimation for jump linear systems: An LMI analysis," in Proc. 40th Annual Conf. on Information Sciences and Systems (CISS 2006), Piscataway, NJ: IEEE Press, 2006, pp. 1302-1307.
• B. Wild and K. Ramchandran, "Detecting primary receivers for cognitive radio applications," in Proc. 2005 1st IEEE Intl. Symp. on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2005), Piscataway, NJ: IEEE Press, 2005, pp. 124-130.
• S. Draper, K. Ramchandran, B. Rimoldi, A. Sahai, and D. Tse, "Attaining maximal reliability with minimal feedback via joint channel-code and hash-function design," in Proceedings of the Allerton Conference on Control, Communications, and Computation, 2005, pp. 1156-1166.
• A. G. Dimakis, V. Prabhakaran, and K. Ramchandran, "Ubiquitous access to distributed data in large-scale sensor networks through decentralized erasure codes (Best Paper Award)," in Proc. 4th IEEE/ACM Intl. Symp. on Information Processing in Sensor Networks (IPSN 2005), Piscataway, NJ: IEEE Press, 2005, pp. 111-117.
• A. Majumdar and K. Ramchandran, "PRISM: An error-resilient video coding paradigm for wireless networks," in Proc. 1st Intl. Conf. on Broadband Networks, Los Alamitos, CA: IEEE Computer Society, 2004, pp. 478-485.
• J. van Greunen, D. Petrovic, A. Bonivento, J. M. Rabaey, K. Ramchandran, and A. L. Sangiovanni-Vincentelli, "Adaptive sleep discipline for energy conservation and robustness in dense sensor networks," in Proc. 2004 IEEE Intl. Conf. on Communications, Vol. 6, Piscataway, NJ: IEEE Press, 2004, pp. 3657-3662.
• M. Johnson and K. Ramchandran, "Dither-Based Secure Image Hashing Using Distributed Source Coding," in Proceedings of the IEEE International Conference on Image Processing (ICIP), 2003.
• R. Jornsten, B. Yu, W. Wang, and K. Ramchandran, "Compression of cDNA and inkjet microarray images," in Proc. 2002 Intl. Conf. on Image Processing, Vol. 3, Piscataway, NJ: IEEE Press, 2002, pp. 961-964.
• J. Chou, K. Ramchandran, and A. Ortega, "Next generation techniques for robust and imperceptible audio data hiding," in Proc. 2001 IEEE Intl. Conf. on Acoustics, Speech and Signal Processing, Vol. 3, Piscataway, NJ: IEEE Press, 2001, pp. 1349-1352.
• J. Chou, S. Pradhan, and K. Ramchandran, "A robust blind watermarking scheme based on distributed source coding principles," in Proc. 8th ACM Intl. Conf. on Multimedia, New York, NY: ACM Press, 2000, pp. 49-56.
• J. Chou, S. S. Pradhan, L. El Ghaoui, and K. Ramchandran, "Watermarking based on duality with distributed source coding and robust optimization principles," in Proc. 2000 Intl. Conf. on Image Processing, Vol. 1, Piscataway, NJ: IEEE Press, 2000, pp. 585-588.
• J. C. Chou, S. S. Pradhan, L. El Ghaoui, and K. Ramchandran, "Robust optimization solution to the data hiding problem using distributed source coding principles," in Proc. SPIE: Image and Video Communications and Processing 2000, B. Vasudev, T. R. Hsing, A. G. Tescher, and R. L. Stevenson, Eds., Vol. 3974, Bellingham, WA: SPIE, 2000, pp. 270-279.

Technical Reports

• V. Ekambaram, G. Fanti, and K. Ramchandran, "Semi-Definite Programming Relaxation for Non-Line-of-Sight Localization," Aug. 2012.
• V. Ekambaram and K. Ramchandran, "SLAC-RF: Simultaneous 3D Localization of mobile readers and Calibration of RFID supertags," Aug. 2012.
• V. Ekambaram and K. Ramchandran, "Cooperative Non-Line-of-Sight Localization Using Low-rank + Sparse Matrix Decomposition," May 2012.
• V. N E, K. Ramchandran, and R. Sengupta, "Scaling Laws for Cooperative Node Localization in Non-Line-of-Sight Wireless Networks," March 2011.
• H. Zhang, M. Chen, A. Parekh, and K. Ramchandran, "An Adaptive Multi-channel P2P Video-on-Demand System using Plug-and-Play Helpers," July 2010.
• C. Suh and K. Ramchandran, "On the Existence of Optimal Exact-Repair MDS Codes for Distributed Storage," April 2010.
• S. Pawar, S. El Rouayheb, and K. Ramchandran, "On Secure Distributed Data Storage Under Repair Dynamics," Feb. 2010.
• O. M. Bakr, M. C. Johnson, B. Wild, and K. Ramchandran, "Performance analysis of a multi-antenna framework for spectrum reuse," Aug. 2008.
• C. Yeo and K. Ramchandran, "Compressed domain video processing of meetings for activity estimation in dominance classification and slide transition detection," June 2008.
• W. Wang, M. Wainwright, and K. Ramchandran, "Information-Theoretic Limits on Sparse Signal Recovery: Dense versus Sparse Measurement Matrices," UC Berkeley, Department of Statistics, Tech. Rep. UCB/STAT-08-754, May 2008.
• A. K. Fletcher, S. Rangan, V. K. Goyal, and K. Ramchandran, "Denoising by Sparse Approximation: Error Bounds Based on Rate-Distortion Theory," Sep. 2004.
• R. Puri and K. Ramchandran, "PRISM: A Video Coding Architecture Based on Distributed Compression Principles," March 2003.
• R. Puri and K. Ramchandran, "PRISM: A Realtime Multimedia Coding Architecture for Wireless," May 2002.
• S. S. Pradhan, J. Chou, and K. Ramchandran, "Duality between source coding and channel coding with side information," Dec. 2001.
• S. S. Pradhan, R. Puri, and K. Ramchandran, "(n,k) Source-Channel Erasure Codes: Can Parity Bits Also Refine Quality?," Jan. 2001.
• R. Anand, K. Ramchandran, and S. Shakkottai, "Improvement of TCP Performance Over Heterogenous Networks Using Continuous Error Detection Based Link Level Error Recovery," Aug. 2000.
• S. Pradhan and K. Ramchandran, "Multiuser Successive Refinement," May 2000.

Patents

• B. J. Wild, A. Tkachenko, K. Ramchandran, and U. Madhow, "Localizing tagged assets using modulated backscatter," U.S. Patent 9,262,912. Feb. 2016.
• B. J. Wild, U. Madhow, and K. Ramchandran, "RFID repeater for range extension in modulated backscatter systems," U.S. Patent 8,988,197. March 2015.
• K. Ramchandran, B. J. Wild, A. Tkachenco, and U. Madhow, "Localization using virtual antenna arrays in modulated backscatter RFID systems," U.S. Patent 8,446,253. May 2013.
• B. J. Wild, U. Madhow, K. Ramchandran, R. Barton, and A. Tkachenko, "Applique nodes for performance and functionality enhancement in radio frequency identification systems," U.S. Patent 8,217,760. July 2012.
• P. Ahammad, C. Yeo, K. Ramchandran, and S. S. Sastry, "High speed video action recognition and localization," U.S. Patent 8,027,542. Sep. 2011.
• J. M. Gilbert, K. Ramchandran, and G. Song, "Mechanism for streaming media data over wideband wireless networks," U.S. Patent 7,881,258. Feb. 2011.
• H. Garudadri and K. Ramchandran, "Method, apparatus, and system for encoding and decoding side information for multimedia transmission," U.S. Patent 7,643,558. Jan. 2010.
• J. Chou and K. Ramchandran, "Transcoding multimedia information within a network communication system," U.S. Patent 7,444,418. Oct. 2008.
• R. Puri and K. Ramchandran, "Encoding and decoding of digital data using cues derivable at a decoder," U.S. Patent 7,400,774. July 2008.
• S. Ha, S. Han, T. Kim, V. Bharghavan, U. Madhow, and K. Ramchandran, "Data transport acceleration and management within a network communication system," U.S. Patent 7,099,273. Aug. 2006.
• R. Puri and K. Ramchandran, "Encoding and decoding of digital data using cues derivable at a decoder," U.S. Patent Application. Aug. 2003.
• H. Garudadri and K. Ramchandran, "Method, apparatus and system for encoding and decoding side information for multimedia transmission," U.S. Patent Application. March 2003.
• K. Ramchandran, J. Chou, and I. Kozintsev, "Data transmission using arithmetic coding based continuous error detection," U.S. Patent 6,418,549. July 2002.
• B. S. Krongold, K. Ramchandran, and D. L. Jones, "Section division operating point determination method for multicarrier communication systems," U.S. Patent 6,400,773. June 2002.
• J. Chou and K. Ramchandran, "Transcoding multimedia information within a network communication system," U.S. Patent Application. May 2002.
• J. Chou and K. Ramchandran, "Decoding compressed image data," U.S. Patent Application. May 2002.
• K. Ramchandran, M. Vetterli, Y. Yu, and D. Anastassiou, "JPEG/MPEG decoder-compatible optimized thresholding for image and video signal compression," U.S. Patent 5,734,755. March 1998.
• K. Ramchandran, K. M. Uz, and M. F. Vetterli, "Multiresolution digital television broadcast system," U.S. Patent 5,267,021. Nov. 1993.
• K. W. Javitt and K. Ramchandran, "Circuit for digitally adding loss to a signal," U.S. Patent 5,237,591. Aug. 1993.

Ph.D. Theses

• A. Ghosh, K. Ramchandran, and A. Guntuboyina, "Provable and Efficient Algorithms for Federated, Batch and Reinforcement Learning," May 2021.

Masters Reports

• Y. E. Erginbas, "Adaptive Sparse Möbius Transforms for Learning Polynomials," K. Ramchandran and T. Courtade, Eds., April 2026.
• A. Qin, L. Butler, Y. E. Erginbas, and K. Ramchandran, "Buyer-Side Recommendation Agents," May 2025.
• T. Wu, B. Zhu, R. Zhang, Z. Wen, K. Ramchandran, and J. Jiao, "Pairwise Proximal Policy Optimization: Large Language Models Alignment via Comparative RL," April 2024.
• J. Chung, A. Ghosh, D. Yin, K. Lee, and K. Ramchandran, "Efficient Clustering Frameworks for Federated Learning Systems," Aug. 2023.
• E. Ye, T. Pang, A. Zhao, Y. Zhou, Y. Yang, M. Mahoney, and K. Ramchandran, "Layerwise Training of Deep Neural Networks," May 2023.
• L. Song, Z. Zhang, A. Panda, Y. Yang, M. Mahoney, J. Gonzalez, and P. Prateek Mittal, "Neurotoxin: Durable Backdoors in Federated Learning," K. Ramchandran and G. Friedland, Eds., May 2022.
• B. J. Lee, S. Kadhe, and K. Ramchandran, "Fast Secure and Robust Aggregation Learning Frameworks on Distributed and Federated Setups," May 2021.
• Y. Tan, S. Kadhe, and K. Ramchandran, "Proof-of-Stream: A Robust Incentivization Protocol for Blockchain-based Hybrid Video on Demand Systems," May 2021.
• D. Nahm, "On the Robustness of Learned Task Weights in Cross-modal Retrieval," G. Friedland and K. Ramchandran, Eds., May 2020.
• H. Mania, X. Pan, D. Papailiopoulos, B. Recht, K. Ramchandran, and M. Jordan, "Perturbed Iterate Analysis for Asynchronous Stochastic Optimization," May 2019.
• R. Kashi, "Scalable Video-on-Demand with Edge Resources," K. Ramchandran, Ed., May 2016.
• V. Narasimha Swamy, K. Ramchandran, and R. Venkataramanan, "Low-Complexity Interactive Algorithms for Synchronization from Deletions, Insertions, and Substitutions," Dec. 2015.